13996243 has 2 divisors, whose sum is σ = 13996244. Its totient is φ = 13996242.

The previous prime is 13996237. The next prime is 13996261. The reversal of 13996243 is 34269931.

13996243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13996243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13996273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998121 + 6998122.

It is an arithmetic number, because the mean of its divisors is an integer number (6998122).

Almost surely, 2^13996243 is an apocalyptic number.

13996243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13996243 is an equidigital number, since it uses as much as digits as its factorization.

13996243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 13996243 is about 3741.1553028443. The cubic root of 13996243 is about 240.9926651923.

The spelling of 13996243 in words is "thirteen million, nine hundred ninety-six thousand, two hundred forty-three".